(For fitness athletes, the training of back muscles cannot be ignored, it is related to the overall muscle coordination and the development of upper body muscles. Muscle development affects each other, and weak back muscles will also affect the development of shoulders, arms, waist and other muscles. This course will take you through the principles and concepts of strength training, as well as the back, hips, chest, shoulders and arms. Abdominal principle training advice.)
发表于 2023-2-26 12:42:52
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